Monthly Archives: March 2017

DAY 91:

Today’s Challenge What is the total of all the square numbers from 1-100 inclusive? . The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84. The 6th & 7th … Continue reading

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DAY 90:

Today’s Challenge When playing the brilliant 24game, your task is to arrive at the target answer of 24. Each of the four numbers 0.5, 1, 5 and 10 must be used exactly once each in your calculation.  The four operations, … Continue reading

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DAY 89:

Today’s Challenge Start with the number 7.  To this add 0.5, then add 1, then to that answer add 1.5, then 2 . . . and keep on adding consecutive multiples of 0.5 to the previous total. What is the … Continue reading

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DAY 88:

Today’s Challenge In our latest MATHELONA challenge, can you replace the 12 ◯’s below with the following 12 numbers so all three lines work out arithmetically? 0     1     1     2     2     3 … Continue reading

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DAY 87:

Today’s Challenge Which is the ONLY way you can make 38 when adding together 6 unique digits from 1-9? . The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to … Continue reading

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DAY 86:

Today’s Challenge It is possible to use six 7’s (7, 7, 7, 7, 7 and 7) once each together with the four arithmetical operations, + – × ÷, to make the target answer of 100.  Can you do it? . The 7puzzle … Continue reading

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DAY 85:

Today’s Challenge Find the Answers sum of the following three numbers: twelve thousand and two thirty five thousand and thirty-five fifty five thousand and fifty-five Write your answer in words. . The 7puzzle Challenge The playing board of the 7puzzle game is a … Continue reading

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DAY 84:

Today’s Challenge Follow these six steps. What is your answer at the end of point 6? Work out the sum of 3 and 5, Calculate the difference between 3 and 5, Find the product of the two answers in points 1 … Continue reading

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DAY 83:

Today’s Challenge What is the sum of all multiples of 0.5 from 10 to 20 inclusive? . The 7puzzle Challenge The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 up to 84. The 2nd & 3rd rows contain … Continue reading

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DAY 82:

Today’s Challenge Using each of the four numbers 0.8, 0.9, 1.5 and 5 once each, and with the four arithmetical operations + – × ÷ available to use, can you arrive at the target answer of 7? . The 7puzzle Challenge The playing board of the … Continue reading

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